CN201491257U - Minisize acoustic generator - Google Patents
Minisize acoustic generator Download PDFInfo
- Publication number
- CN201491257U CN201491257U CN2009202042342U CN200920204234U CN201491257U CN 201491257 U CN201491257 U CN 201491257U CN 2009202042342 U CN2009202042342 U CN 2009202042342U CN 200920204234 U CN200920204234 U CN 200920204234U CN 201491257 U CN201491257 U CN 201491257U
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- sidewall
- side wall
- length
- pedestal
- acoustic generator
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Abstract
The utility model provides a minitype acoustic generator, mainly comprising a base surrounded by a side wall, a magnetic bowl embedded in the base, magnetic steel accommodated in the magnetic bowl, a coil positioned in a gap formed by the magnetic bowl and the magnetic steel, a lead wire led from the coil, a vibrating diaphragm connected to one end of the coil, and an upper cover. The upper cover and the base together form an accommodating cavity, and a groove for placing the lead wire is arranged on the side wall. Compared with the prior art, the utility model reduces the possibility of broken line of the product and improves the performance.
Description
Technical field
The utility model relates to a kind of minitype acoustic generator, relates in particular to a kind of minitype acoustic generator that is applied on the portable consumer electronic products such as mobile phone.
Background technology
Mini-sound device is widely used in portable electronic equipments such as mobile phone, notebook computer, hearing aids.Along with fast development, the people of these portable electronic equipments are more and more stronger to its functional requirement, the also corresponding development apace of the mini-sound device that is applied thereon.
The minitype acoustic generator of dependency structure mainly comprises as bowl-shape pedestal, joins with pedestal and be provided with the loam cake in hole, and pedestal and loam cake form a cavity volume.Be provided with in this cavity volume and be contained in the pedestal and link to each other with pole piece, with the vibrating diaphragm of loam cake adjacency, with vibrating diaphragm with permanent magnet that pedestal forms magnetic gap and be suspended in voice coil loudspeaker voice coil in the described magnetic gap, outside pedestal, be provided with the circuit board that realization links to each other with external circuit, the passing the hole that pedestal is provided with into and out of line and link to each other of voice coil loudspeaker voice coil with circuit board.When feeding the alternation tone currents on circuit board, when feeding alternating current in the coil, voice coil loudspeaker voice coil can be because the effect in magnetic field produces motion in magnetic gap, variation along with electric current, this motion also can change thereupon, thereby drives the vibrating diaphragm up-down vibration, causes the generation of sound.
But the turnover line of voice coil loudspeaker voice coil links to each other with circuit board by the hole that pedestal is provided with, and causes broken string easily, thereby, be necessary to study a kind of miniature minitype acoustic generator with new construction.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of difficult broken string, well behaved minitype acoustic generator.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is:
A kind of minitype acoustic generator, its mainly comprise its mainly comprise establish by sidewall surround the pedestal that forms, be embedded in magnetic bowl in the pedestal, be contained in magnet steel in the magnetic bowl, be arranged in the coil of the magnetic gap that magnetic bowl and magnet steel form, the lead-in wire of drawing from coil, the vibrating diaphragm that is connected in coil one end, and loam cake, this loam cake and pedestal form host cavity jointly, sidewall be provided be used to place the lead-in wire and with the groove of wires guides to the sidewall outside.
Preferably, described pedestal comprise the first side wall and with second sidewall, the 3rd sidewall of the first side wall adjacency, also comprise the 4th sidewall with second sidewall and the 3rd adjacent sidewalls, wherein, the first side wall is relative with the 4th sidewall, second sidewall is relative with the 3rd sidewall, the first side wall length is greater than the length of second sidewall, the 3rd sidewall, the length of the 4th sidewall is greater than the length of second sidewall, the 3rd sidewall, described groove is arranged on the first side wall and the 4th sidewall, and the length of groove equals the length of the first side wall and the 4th sidewall.
Preferably, described pedestal comprise the first side wall and respectively with second sidewall, the 3rd sidewall of the first side wall adjacency, also comprise respectively the 4th sidewall with second sidewall and the 3rd adjacent sidewalls, wherein, the first side wall is relative with the 4th sidewall, second sidewall is relative with the 3rd sidewall, the first side wall length is greater than the length of second sidewall, the 3rd sidewall, the length of the 4th sidewall is greater than the length of second sidewall, the 3rd sidewall, described groove is arranged on the first side wall or the 4th sidewall, and the length of groove equals the length of the first side wall and the 4th sidewall.
Preferably, described minitype acoustic generator also comprises the pole piece that posts on magnet steel.
The beneficial effects of the utility model are: pedestal is provided with the groove that is used to place lead-in wire, has increased the curved line length of lead-in wire, has reduced the possibility of product broken string, has improved performance.
Description of drawings
Fig. 1 is an embodiment perspective exploded view of the minitype acoustic generator that provides of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and embodiments.
Referring to Fig. 1, the utility model minitype acoustic generator 2 is mainly used on the portable consumer electronic products such as mobile phone, in order to the prompting of sounding.
In general, minitype acoustic generator mainly comprises as bowl-shape pedestal, joins with pedestal and be provided with the loam cake in hole, and pedestal and loam cake form a cavity volume.Be provided with in this cavity volume and be contained in the pedestal and link to each other with pole piece, with the vibrating diaphragm of loam cake adjacency, with vibrating diaphragm with permanent magnet that pedestal forms magnetic gap and be suspended in voice coil loudspeaker voice coil in the described magnetic gap, outside pedestal, be provided with the circuit board that realization links to each other with external circuit, the passing the hole that pedestal is provided with into and out of line and link to each other of voice coil loudspeaker voice coil with circuit board.When feeding the alternation tone currents on circuit board, voice coil loudspeaker voice coil is subjected to the motive force of alternation in magnetic gap, produces alternate motion, thereby drives the vibrating diaphragm vibration, sounds.
Please join the three-dimensional exploded view of the minitype acoustic generator 2 that Figure 1 shows that an embodiment of the utility model, this miniature minitype acoustic generator 2 comprises pedestal 21, be embedded in magnetic bowl (not label) in the pedestal 21, be contained in magnet steel 23 in the magnetic bowl, post the vibrating diaphragm 26 that pole piece (not label), part on magnet steel 23 is contained in coil (not label) in the magnetic gap that magnetic bowl and magnet steel 23 form, is connected in coil one end, and holds wherein loam cake 27 with pedestal 21 common formation host cavities and with said elements.Coil comprises lead-in wire 28.When feeding alternating current in the coil, the coil that is in the magnetic gap can be because the effect in magnetic field produces motion, and along with the variation of electric current, this motion also can change thereupon, thereby drives vibrating diaphragm 26 up-down vibration, causes the generation of sound.Pedestal 21 is surrounded by sidewall and forms, and the sidewall of pedestal 21 is provided with groove 215.This groove 215 be used to place coil lead 28 and with wires guides to the sidewall outside.
Like this, groove 215 is opened on long sidewall, can increase the curved line length of voice coil loudspeaker voice coil lead-out wire, thereby reduces the possibility of broken string, improves the performance of product; Groove 215 can utilize the place of vibrating diaphragm 26 Oscillation Amplitude minimums to place lead-in wire 28 near last film step, reduces lead-in wire 28 possibilities of bumping vibrating diaphragm 26, improves the pure tone rate of finished products.
Above-described only is execution mode of the present utility model, should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the invention design, can also make improvement, but these all belongs to protection range of the present utility model.
Claims (4)
1. minitype acoustic generator, its mainly comprise by sidewall surround the pedestal that forms, be embedded in magnetic bowl in the pedestal, be contained in magnet steel in the magnetic bowl, be arranged in the coil of the magnetic gap that magnetic bowl and magnet steel form, the lead-in wire of drawing from coil, the vibrating diaphragm that is connected in coil one end, and loam cake, this loam cake and pedestal form host cavity jointly, it is characterized in that: sidewall be provided be used to place the lead-in wire and with the groove of wires guides to the sidewall outside.
2. minitype acoustic generator according to claim 1, it is characterized in that: described pedestal comprise the first side wall and with second sidewall of the first side wall adjacency, the 3rd sidewall, also comprise the 4th sidewall with second sidewall and the 3rd adjacent sidewalls, wherein, the first side wall is relative with the 4th sidewall, second sidewall is relative with the 3rd sidewall, the first side wall length is greater than second sidewall, the length of the 3rd sidewall, the length of the 4th sidewall is greater than second sidewall, the length of the 3rd sidewall, described groove is arranged on the first side wall and the 4th sidewall, and the length of groove equals the length of the first side wall and the 4th sidewall.
3. minitype acoustic generator according to claim 1, it is characterized in that: described pedestal comprise the first side wall and respectively with second sidewall of the first side wall adjacency, the 3rd sidewall, also comprise respectively the 4th sidewall with second sidewall and the 3rd adjacent sidewalls, wherein, the first side wall is relative with the 4th sidewall, second sidewall is relative with the 3rd sidewall, the first side wall length is greater than second sidewall, the length of the 3rd sidewall, the length of the 4th sidewall is greater than second sidewall, the length of the 3rd sidewall, described groove is arranged on the first side wall or the 4th sidewall, and the length of groove equals the length of the first side wall and the 4th sidewall.
4. according to claim 1 or 2 or 3 described minitype acoustic generators, it is characterized in that: described minitype acoustic generator also comprises the pole piece that posts on magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202042342U CN201491257U (en) | 2009-08-24 | 2009-08-24 | Minisize acoustic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202042342U CN201491257U (en) | 2009-08-24 | 2009-08-24 | Minisize acoustic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201491257U true CN201491257U (en) | 2010-05-26 |
Family
ID=42430121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202042342U Expired - Lifetime CN201491257U (en) | 2009-08-24 | 2009-08-24 | Minisize acoustic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201491257U (en) |
-
2009
- 2009-08-24 CN CN2009202042342U patent/CN201491257U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170620 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: Changzhou Meiou Electronics Co., Ltd. Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. Patentee before: Changzhou Meiou Electronics Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |
|
| CX01 | Expiry of patent term |